@article{paperid:1039698, author = {M. Dehghani and S.M.S. Modarres and Sal Moslehian, Mohammad}, title = {Positive block matrices on Hilbert and Krein C*-modules}, journal = {Surveys in Mathematics and its Applications}, year = {2013}, volume = {8}, number = {1}, month = {October}, issn = {1843-7265}, pages = {23--34}, numpages = {11}, keywords = {Block matrix; Indefinite inner product module; J-positive operator; J-contraction; Krein C*-module}, }